Thank U again Kris.
I Think I misunderstood How a ruleflow works... for "parallelism" I meant
two rules that are activated in the same time
but I know that it is a non-sense cause the ruleflow itself remove any
ambiguity concerning the agenda.
Sorry about that!
Hopefully next time I will post something a bit more interesting.... :(
;-)
Thank You again!
massi
On Nov 23, 2007 12:22 AM, Kris Verlaenen <kris.verlaenen(a)cs.kuleuven.be>
wrote:
Massi,
Why do you want to use a ruleflow? If you simply remove the
ruleflow-group statements from your rule definitions, you will get your
expected behaviour, as rule_ab will execute first, updating your user fact,
which will then trigger rule_ba to execute, updating the user fact again,
which will trigger rule_ba again, etc.
I'm not sure where you see any parallelism here, as it is always the first
rule, then the second, then the first one again, etc.
But if you really want to know, you can create a loop in a ruleflow by
putting whatever you would like to see repeated in between an XOR-join in
front and an XOR-split at the end, and linking one of the outgoing
connections of the XOR-split back to the first join :)
Kris
----- Original Message -----
*From:* mmquelo massi <mmquelo(a)gmail.com>
*To:* Rules Users List <rules-users(a)lists.jboss.org>
*Sent:* Thursday, November 22, 2007 5:15 PM
*Subject:* [rules-users] How to make a "Loop-Ruleflow"????
Hi everybody.
I am trying to make a ruleflow that, once processed, causes the rule
engine to infinitely loop.
I have got a *User* Object in my object model. It has got a *getLogin()*and
*setLogin(*) methods.
The login field stands for the "User name", so it is a String.
First I insert an Object in the WM, with login==A.
Then I generate the following rule-flow-groups:
*rule "rule_ab" *
* ruleflow-group "ab" *
* when *
* u:User( login == "A" ) *
* then *
* u.setLogin("B"); *
* System.out.println("a - > b"); *
* update(u); *
*end *
**
*rule "rule_ba" *
* ruleflow-group "ba" *
* when *
* u:User( login == "B" ) *
* then *
* u.setLogin("A"); *
* System.out.println("b - > a"); *
* update(u); *
*end *
I'd like to define a ruleflow that gives me in output something like this:
a - > b
b - > a
a - > b
b - > a a - > b
b - > a
a - > b
b - > a a - > b
b - > a
a - > b
b - > a
.... looping...
How can I do it?
In other words I want those rules to be executed in parallel and I want to
define
this "parallelism" using the ruleflow graph, Is It Possible???
Thank You Again!
Massi.
P.S.
Ah.... I solved that matter with the rule.package...
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